Derin Çekme İşleminin Dikdörtgen Şekiller için Sonlu Elemanlar Yöntemiyle Belirlenmesi

Date

1992-09-18

Author

Darendeliler, Haluk
KAFTANOĞLU, BİLGİN

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URI

https://hdl.handle.net/11511/97003

Conference Name

5. Ulusal Makina Tasarım ve İmalat Kongresi

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Department of Mechanical Engineering, Conference / Seminar

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Analysis of deep drawing process by using hypo-and hyperelastic based plasticity models Canbakan, İlke Barış; Darendeliler, Haluk; Department of Mechanical Engineering (2019) Estimation of formability is important for sheet metal forming in order to get desired results with minimum amount of experiments. This can be achieved by having a proper constitutive model for the material that can estimate the behavior accurately. In the context of this thesis, two inherently different type of constitutive models, namely hypoelastic and hyperelastic based plasticity models are compared. For both formulations, three different stress-strain relations were created having non-linear isotropic...
Numerical and experimental investigation of fatigue life in deep drawn parts Aytekin, Oğuz; Söylemez, Eres; Department of Mechanical Engineering (2006) Sheet metal forming has an important place among metal forming processes. As the usage of sheet metal increases, the fatigue simulation and optimization of these parts become more important. This thesis study examines the change of the fatigue life of a sheet metal part after forming. A sphere-like shape is deep drawn and change in thickness and residual stresses are analyzed. To understand the effect of residual stresses, deep drawn parts with and without residual stress tested against the fatigue failure....
Analysis and modeling of plastic wrinkling in deep drawing Yalçın, Serhat; Oral, Süha; Kaftanoğlu, Bilgin; Department of Mechanical Engineering (2010) Deep drawing operations are crucial for metal forming operations and manufacturing. Obtaining a defect free final product with the desired mechanical properties is very important for fulfilling the customer expectations and market competitions. Wrinkling is one of the fatal and most frequent defects that must be prevented. This study focuses on understanding the phenomenon of wrinkling and probable precautions that can be applied. In this study, dynamic – explicit commercial finite element code is used to s...
Implementation and comparison of different constitutive models in deep drawing process Çoğun, Ferah; Darendeliler, Haluk; Department of Mechanical Engineering (2013) The aim of the study is to find out the effects of different models namely; BBC2008-8p, Yld2003-8p, Hu2003, isotropic hardening, kinematic hardening, combined hardening and Hill’48 on simulation of cylindrical, square and round bottom cup drawing processes. For this purpose two different sheet materials, SS304 stainless steel and DKP6112 steel with 1 mm thickness and three different punch travels were used in both computer simulation and experimental phase of this study. BBC2008-8p, Yld2003-8p and Hu2003 mo...

Citation Formats

H. Darendeliler and B. KAFTANOĞLU, “Derin Çekme İşleminin Dikdörtgen Şekiller için Sonlu Elemanlar Yöntemiyle Belirlenmesi,” presented at the 5. Ulusal Makina Tasarım ve İmalat Kongresi, Ankara, Türkiye, 1992, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/97003.